GalbaE. F., DeinekaV. S., and SergienkoI. V. “Expansion of Weighted Pseudoinverse Matrices With Singular Weights into Matrix Power Products and Iteration Methods”. Ukrains’kyi Matematychnyi Zhurnal 59, no. 9 (September 25, 2007): 1269–1289. Accessed July 27, 2024. https://umj.imath.kiev.ua/index.php/umj/article/view/3387.